Sphere

AI Agent Infrastructure Lead

Experience building production software; AI agents or internal developer tooling; backend systems; safety and autonomy; strong initiative and attention to detail.

Sphere, Inc.

Founding Forward Deployed Engineer

Experience in an FDE or customer-facing engineering role. End-to-end delivery of bespoke customer features. Ownership, curiosity, strong communication, customer obsession, and high attention to detail.

Founding CSM

Proven experience building CS processes, teams, and playbooks; early-stage startup experience; comfortable navigating admin tools, reading API docs, and data validation.

TRAM Lead

Experienced tax professional bridging tax domain and AI/engineering; deep understanding of global tax compliance; strong communication; ability to design tax data taxonomy and guide research teams.

Compliance Lead

High attention to detail, strong communication, multi-tasking, deep understanding of compliance processes, reconciliations, and controls.

Founding Growth Lead

Proven experience building growth channels in B2C/B2B software; early-stage startup experience; strong social media presence and ability to drive engagement.

AI Engineer

Prior experience building AI-enabled products, particularly RAG systems; experience fine tuning base models; able to dive into tax technical problems; strong understanding of LLMs and reasoning models.

Founding Account Executive (Europe)

Founding Account Executive

Proven experience selling B2B SaaS to SMB/mid-market, early-stage startup experience, quota-carrying with targets exceeded. Nice to have CFO/Finance exposure in Europe.

Senior Full Stack Engineer

Full Stack Engineer

Strong Python with Django backend; React frontend; detail-oriented with numbers; comfortable working across backend and frontend.

Senior Backend Engineer (Infrastructure)

Backend Engineer

Experience managing Kubernetes clusters at scale; architectural focus on high availability and low latency; scale-capable Postgres systems.

Senior Product Engineer

Strong experience with React and Figma; customer-obsessed; detail-oriented; highly organized.

Chief of Staff

High attention to detail, willingness to work long hours, strong communication, multitasking, fast-paced environment, interest in operations and cross-border tax compliance.

Title	Location	Date
AI Agent Infrastructure Lead Full Time · $230K-$260K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Apr 28, 2026
Founding Forward Deployed Engineer Full Time San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Apr 15, 2026
Founding CSM Full Time · $188K-$225K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Apr 14, 2026
TRAM Lead Full Time San Francisco, California, United States · Remote	San Francisco, California, United States Remote	Apr 10, 2026
Compliance Lead Full Time · $140K-$175K San Francisco, California, United States · Remote	San Francisco, California, United States Remote	Apr 7, 2026
Founding Growth Lead Full Time · $220K-$260K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Jan 28, 2026
AI Engineer Full Time · $200K-$260K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Oct 7, 2025
Founding Account Executive (Europe) Full Time · $220K-$260K London, England, United Kingdom · Remote	London, England, United Kingdom Remote	Sep 29, 2025
Senior Full Stack Engineer Full Time · $200K-$260K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Sep 16, 2025
Senior Backend Engineer (Infrastructure) Full Time · $200K-$260K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Sep 16, 2025
Senior Product Engineer Full Time · $200K-$260K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Sep 15, 2025
Chief of Staff Full Time · $100K-$150K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Sep 15, 2025

Activities	Automated tax calculationGlobal tax registrationTax return filingRegulatory compliance softwareEconomic nexus monitoring
Headquarters	US
Industries	FintechSoftware
Name	Sphere
Employees	47
Type	Private
Tagline	AI-powered global tax compliance and automated filing software.
Founded	2,021
Website	getsphere.com
Latest Funding Round	Series A
Latest Funding Year	2,025
Latest Funding Amount	21,000,000
Latest Investors	Andreessen Horowitz

Sphere

About Sphere